1-1-2-2M
Rotate the lower left cell of the tile 90 degrees clockwise; mirror, then rotate the lower right cell of the tile 90 degrees counterclockwise.
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1-1M-3M-3
Mirror alternate columns, then rotate alternate rows 180 degrees. You should note there are two sets of small squares: one with a border and one surrounded by the small arrows. Likewise, the border can also be viewed as a large square.
